<!DOCTYPE html>
<html lang="zh-CN">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script src="jquery-3.6.0.min.js"></script>
	<script src="popup.js">
	</script>
	<style>
		body{
			width:300px;
			height:100px;
			border-radius: 10px;
		}
		.cbtnlist{
			display: flex;
		}
		.cbtnlist button{
			border-radius: 50px;
			height: 50%;
			width: 50%;
			flex: 1;
			margin-top: 10px;
			margin-left: 25px;
			line-height: 2rem;
		}
		.cbtnlist .zhanwei{
			height: 20px;
		}
		.cbtnlist input{
			margin:auto auto;
			line-height: 2rem;
		}
		#changeBgVideo{
			color: crimson;
		}
	</style>
</head>
<body>
<h3 style="text-align: center">B站视频背景</h3>
<div class="cbtnlist">
	<input id="iframeSrc" placeholder="输入B站视频链接"/>
</div>
<div class="cbtnlist">
	<button id="changeBgVideo">确定</button><br/>
</div>
<div class="cbtnlist">
	<div class="zhanwei"></div>
</div>
</body>
</html>
